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这是我的一些关于ui理解的注释

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lrx_branch
LiuRuiXuan 2 years ago
parent eb8a75d94b
commit 82b971b01e
6 changed files with 153 additions and 141 deletions
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23
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
Unescape View File

@ -26,7 +26,10 @@ import android.database.Cursor;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
/*
Author:刘瑞轩
Data:2023-4-12
*/
public class AlarmInitReceiver extends BroadcastReceiver {
@ -40,26 +43,28 @@ public class AlarmInitReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
long currentDate = System.currentTimeMillis();
long currentDate = System.currentTimeMillis();//找到目前的时间段
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) },
null);
null);//筛选出来那些提醒时间大于当前时间并且类型是便签类型的
if (c != null) {
if (c.moveToFirst()) {
if (c.moveToFirst()) {//如果下一个数据存在的话
do {
long alertDate = c.getLong(COLUMN_ALERTED_DATE);
Intent sender = new Intent(context, AlarmReceiver.class);
long alertDate = c.getLong(COLUMN_ALERTED_DATE);//获取当前数据的日期
Intent sender = new Intent(context, AlarmReceiver.class);//获取一个新的页面
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
AlarmManager alermManager = (AlarmManager) context
.getSystemService(Context.ALARM_SERVICE);
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
} while (c.moveToNext());
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);//采用系统实时时钟（RTC）闹钟
//当闹钟到达alertDate时唤醒设备，保证不会在睡眠模式错过闹钟，第二个参数是闹钟的触发时间，第三个就是指定谁到时候就会
//被触发
} while (c.moveToNext());//只要下一个数据存在的话
}
c.close();
c.close();//关闭流文件
}
}
}

11
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java
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@ -19,12 +19,15 @@ package net.micode.notes.ui;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
/*
Author:刘瑞轩
Data:2023/4/12
*/
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
intent.setClass(context, AlarmAlertActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
intent.setClass(context, AlarmAlertActivity.class);//由当前页面跳转到对应界面
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);//该标记表示在新任务栈中启动 Activity，当它不在前台的时候，保证其可以在后台显示
context.startActivity(intent);//启动对应的活动
}
}

220
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/DateTimePicker.java
Unescape View File

@ -27,7 +27,10 @@ import android.text.format.DateFormat;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.NumberPicker;
/*
Author:刘瑞轩
Data:2023/4/12
*/
public class DateTimePicker extends FrameLayout {
private static final boolean DEFAULT_ENABLE_STATE = true;
@ -66,39 +69,40 @@ public class DateTimePicker extends FrameLayout {
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {//更改日期
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
updateDateControl();
onDateTimeChanged();
}
};
};//当用户更改值之后改变便签的修改日期
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false;
Calendar cal = Calendar.getInstance();
if (!mIs24HourView) {
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {//各自的参数代表被改变值得NumberPicker对象，旧值，新值
boolean isDateChanged = false;//用户是否改变值
Calendar cal = Calendar.getInstance();//获取当前的时间
if (!mIs24HourView) {//不是用的24小时制度
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {//是下午旧值是11，新值是12，代表到了下一天
cal.setTimeInMillis(mDate.getTimeInMillis());//将修改时间修改为当前的时间
cal.add(Calendar.DAY_OF_YEAR, 1);//过了一天，将日期加1
isDateChanged = true;
} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {//如果当前是上午，并且
//旧值是12，新值是11，那么就代表回到了上一天
cal.setTimeInMillis(mDate.getTimeInMillis());//获取当前的时间
cal.add(Calendar.DAY_OF_YEAR, -1);//日期减一
isDateChanged = true;
}
if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {//只要之前是11，现在是12，或者是之前是12，现在是11，AM和PM都会发生改变，取反
mIsAm = !mIsAm;
updateAmPmControl();
updateAmPmControl();//更新限制
}
} else {
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {//如果当前时间比之前时间早，代表已经过了一天了
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {//如果当前时间比之前时间晚代表是同一天
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
@ -117,41 +121,41 @@ public class DateTimePicker extends FrameLayout {
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
int minValue = mMinuteSpinner.getMinValue();
int maxValue = mMinuteSpinner.getMaxValue();
int offset = 0;
if (oldVal == maxValue && newVal == minValue) {
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {//通过调整分钟来调整时间
int minValue = mMinuteSpinner.getMinValue();//获取最小值
int maxValue = mMinuteSpinner.getMaxValue();//获取最大值
int offset = 0;//判断是否跨越边界
if (oldVal == maxValue && newVal == minValue) {//如果新的是最小的，旧的值是最大的那么小时加1
offset += 1;
} else if (oldVal == minValue && newVal == maxValue) {
} else if (oldVal == minValue && newVal == maxValue) {//如果新的是最大的值，旧的是最小值，那么代表我们是往上调整的，那么小时减小
offset -= 1;
}
if (offset != 0) {
mDate.add(Calendar.HOUR_OF_DAY, offset);
mHourSpinner.setValue(getCurrentHour());
updateDateControl();
int newHour = getCurrentHourOfDay();
if (newHour >= HOURS_IN_HALF_DAY) {
mIsAm = false;
updateAmPmControl();
if (offset != 0) {//如果跨越边界了
mDate.add(Calendar.HOUR_OF_DAY, offset);//日期进行相应的改变
mHourSpinner.setValue(getCurrentHour());//获取当前的时间
updateDateControl();//更新限制
int newHour = getCurrentHourOfDay();//更新小时
if (newHour >= HOURS_IN_HALF_DAY) {//判断是上午还是下午
mIsAm = false;//不是上午
updateAmPmControl();//更新限制
} else {
mIsAm = true;
mIsAm = true;//是上午
updateAmPmControl();
}
}
mDate.set(Calendar.MINUTE, newVal);
onDateTimeChanged();
mDate.set(Calendar.MINUTE, newVal);//设置成新的值
onDateTimeChanged();//更改小时
}
};
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {//更新上午还是下午
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm = !mIsAm;
mIsAm = !mIsAm;//上午变成下午，下午变成上午
if (mIsAm) {
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);//如果是下午变成上午，那么需要减去12小时
} else {
mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);//如果是上午变成下午，那么需要加上12小时
}
updateAmPmControl();
onDateTimeChanged();
@ -176,30 +180,30 @@ public class DateTimePicker extends FrameLayout {
mDate = Calendar.getInstance();
mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
inflate(context, R.layout.datetime_picker, this);
inflate(context, R.layout.datetime_picker, this);//将小时、分钟和日期、在上午还是下午填充到这个文件中
mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);//选择当前月份的最小的那一天
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);//选择当前月份最大的那一天
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);//设置日期监听器
mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
mHourSpinner = (NumberPicker) findViewById(R.id.hour);//找到小时
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);//设置小时监听器
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
mMinuteSpinner.setOnLongPressUpdateInterval(100);
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);//设置分钟最小值
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);//设置分钟最大值
mMinuteSpinner.setOnLongPressUpdateInterval(100);//设置按下更新的间隔是100ms
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);//设置分钟监听器
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();//获取当前设备上的AM/PM字符串数组，第一个元素为AM，第二个元素为PM
mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
mAmPmSpinner.setDisplayedValues(stringsForAmPm);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);//设置上午下午监听器
// update controls to initial state
updateDateControl();
updateDateControl();//更新限制
updateHourControl();
updateAmPmControl();
@ -215,22 +219,22 @@ public class DateTimePicker extends FrameLayout {
}
@Override
public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) {
public void setEnabled(boolean enabled) {//用来设置组件显示出来
if (mIsEnabled == enabled) {//如果相同则不用修改
return;
}
super.setEnabled(enabled);
mDateSpinner.setEnabled(enabled);
mMinuteSpinner.setEnabled(enabled);
mHourSpinner.setEnabled(enabled);
mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled;
super.setEnabled(enabled);//设置可行
mDateSpinner.setEnabled(enabled);//设置日期监听器可行
mMinuteSpinner.setEnabled(enabled);//设置分钟监听器可行
mHourSpinner.setEnabled(enabled);//设置小时监听器可行
mAmPmSpinner.setEnabled(enabled);//设置上午下午监听器可行
mIsEnabled = enabled;//设置为已经更新为可用
}
@Override
public boolean isEnabled() {
return mIsEnabled;
}
}//返回是否可用
/**
* Get the current date in millis
@ -239,7 +243,7 @@ public class DateTimePicker extends FrameLayout {
*/
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis();
}
}//获取当前的日期
/**
* Set the current date
@ -269,7 +273,7 @@ public class DateTimePicker extends FrameLayout {
setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay);
setCurrentMinute(minute);
}
}//设置时间
/**
* Get current year
@ -278,7 +282,7 @@ public class DateTimePicker extends FrameLayout {
*/
public int getCurrentYear() {
return mDate.get(Calendar.YEAR);
}
}//返回当前年
/**
* Set current year
@ -286,10 +290,10 @@ public class DateTimePicker extends FrameLayout {
* @param year The current year
*/
public void setCurrentYear(int year) {
if (!mInitialising && year == getCurrentYear()) {
if (!mInitialising && year == getCurrentYear()) {//如果已经初始化并且年份和当前的相同
return;
}
mDate.set(Calendar.YEAR, year);
mDate.set(Calendar.YEAR, year);//更新
updateDateControl();
onDateTimeChanged();
}
@ -301,7 +305,7 @@ public class DateTimePicker extends FrameLayout {
*/
public int getCurrentMonth() {
return mDate.get(Calendar.MONTH);
}
}//获得月份
/**
* Set current month in the year
@ -312,7 +316,7 @@ public class DateTimePicker extends FrameLayout {
if (!mInitialising && month == getCurrentMonth()) {
return;
}
mDate.set(Calendar.MONTH, month);
mDate.set(Calendar.MONTH, month);//更新月份
updateDateControl();
onDateTimeChanged();
}
@ -324,14 +328,14 @@ public class DateTimePicker extends FrameLayout {
*/
public int getCurrentDay() {
return mDate.get(Calendar.DAY_OF_MONTH);
}
}//获取月份
/**
* Set current day of the month
*
* @param dayOfMonth The day of the month
*/
public void setCurrentDay(int dayOfMonth) {
public void setCurrentDay(int dayOfMonth) {//更新天
if (!mInitialising && dayOfMonth == getCurrentDay()) {
return;
}
@ -346,17 +350,17 @@ public class DateTimePicker extends FrameLayout {
*/
public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY);
}
}//获取当前的小时
private int getCurrentHour() {
if (mIs24HourView){
if (mIs24HourView){//如果是24小时
return getCurrentHourOfDay();
} else {
int hour = getCurrentHourOfDay();
if (hour > HOURS_IN_HALF_DAY) {
int hour = getCurrentHourOfDay();//获取小时
if (hour > HOURS_IN_HALF_DAY) {//如果大于12应该减去12
return hour - HOURS_IN_HALF_DAY;
} else {
return hour == 0 ? HOURS_IN_HALF_DAY : hour;
return hour == 0 ? HOURS_IN_HALF_DAY : hour;//否则就和当前的相同
}
}
}
@ -367,25 +371,25 @@ public class DateTimePicker extends FrameLayout {
* @param hourOfDay
*/
public void setCurrentHour(int hourOfDay) {
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {//如果已经初始化并且和现在的小时一样就不用管
return;
}
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
if (!mIs24HourView) {
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);//设置小时
if (!mIs24HourView) {//如果不是24小时制度
if (hourOfDay >= HOURS_IN_HALF_DAY) {
mIsAm = false;
if (hourOfDay > HOURS_IN_HALF_DAY) {
mIsAm = false;//代表是下午
if (hourOfDay > HOURS_IN_HALF_DAY) {//如果大于12
hourOfDay -= HOURS_IN_HALF_DAY;
}
} else {
mIsAm = true;
mIsAm = true;//时上午
if (hourOfDay == 0) {
hourOfDay = HOURS_IN_HALF_DAY;
hourOfDay = HOURS_IN_HALF_DAY;//代表到达了最后
}
}
updateAmPmControl();
}
mHourSpinner.setValue(hourOfDay);
mHourSpinner.setValue(hourOfDay);//更新时间
onDateTimeChanged();
}
@ -405,8 +409,8 @@ public class DateTimePicker extends FrameLayout {
if (!mInitialising && minute == getCurrentMinute()) {
return;
}
mMinuteSpinner.setValue(minute);
mDate.set(Calendar.MINUTE, minute);
mMinuteSpinner.setValue(minute);//设置时间
mDate.set(Calendar.MINUTE, minute);//设置分钟
onDateTimeChanged();
}
@ -415,7 +419,7 @@ public class DateTimePicker extends FrameLayout {
*/
public boolean is24HourView () {
return mIs24HourView;
}
}//返回是否是24小时制
/**
* Set whether in 24 hour or AM/PM mode.
@ -423,48 +427,48 @@ public class DateTimePicker extends FrameLayout {
* @param is24HourView True for 24 hour mode. False for AM/PM mode.
*/
public void set24HourView(boolean is24HourView) {
if (mIs24HourView == is24HourView) {
if (mIs24HourView == is24HourView) {//如果是24小时制，就无需更改
return;
}
mIs24HourView = is24HourView;
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
int hour = getCurrentHourOfDay();
mIs24HourView = is24HourView;//更改为24小时制度
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);//讲对应的界面显示出来
int hour = getCurrentHourOfDay();//获取当前的小时
updateHourControl();
setCurrentHour(hour);
setCurrentHour(hour);//更新时间
updateAmPmControl();
}
private void updateDateControl() {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
mDateSpinner.setDisplayedValues(null);
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);//按照一周来显示，以当前这一天为中心进行扩展
mDateSpinner.setDisplayedValues(null);//清空mDateSpinner显示的数据
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
cal.add(Calendar.DAY_OF_YEAR, 1);
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
cal.add(Calendar.DAY_OF_YEAR, 1);//将当前的cal的最后一个数据加1
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);//格式化日期
}
mDateSpinner.setDisplayedValues(mDateDisplayValues);
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
mDateSpinner.invalidate();
mDateSpinner.setDisplayedValues(mDateDisplayValues);//把加入的数据显示出来
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);//将选择器的初始位置设置为中心位置
mDateSpinner.invalidate();//使选择器无效，从而更新显示值
}
private void updateAmPmControl() {
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);
if (mIs24HourView) {//如果是24小时制
mAmPmSpinner.setVisibility(View.GONE);//上午下午不显示
} else {
int index = mIsAm ? Calendar.AM : Calendar.PM;
mAmPmSpinner.setValue(index);
mAmPmSpinner.setVisibility(View.VISIBLE);
int index = mIsAm ? Calendar.AM : Calendar.PM;//显示是上午还是下午
mAmPmSpinner.setValue(index);//显示对应的内容
mAmPmSpinner.setVisibility(View.VISIBLE);//可见
}
}
private void updateHourControl() {
if (mIs24HourView) {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
if (mIs24HourView) {//如果是24小时制
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);//显示24小时最小值
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);//显示24小时最大值
} else {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);//显示12小时最小值
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);//显示12小时最大值
}
}
@ -476,7 +480,7 @@ public class DateTimePicker extends FrameLayout {
mOnDateTimeChangedListener = callback;
}
private void onDateTimeChanged() {
private void onDateTimeChanged() {//更改便签时间
if (mOnDateTimeChangedListener != null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());

28
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java
Unescape View File

@ -43,7 +43,7 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
public DateTimePickerDialog(Context context, long date) {
super(context);
mDateTimePicker = new DateTimePicker(context);
setView(mDateTimePicker);
setView(mDateTimePicker);//将事件显示出来
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
@ -52,21 +52,21 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
mDate.set(Calendar.MINUTE, minute);
updateTitle(mDate.getTimeInMillis());
}
updateTitle(mDate.getTimeInMillis());//更新题目
}//根据对话框参数定位到对应的日期
});
mDate.setTimeInMillis(date);
mDate.set(Calendar.SECOND, 0);
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
setButton(context.getString(R.string.datetime_dialog_ok), this);
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
set24HourView(DateFormat.is24HourFormat(this.getContext()));
updateTitle(mDate.getTimeInMillis());
mDate.setTimeInMillis(date);//将其转化为时间戳
mDate.set(Calendar.SECOND, 0);//设置s为0
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());//将其设置为时间
setButton(context.getString(R.string.datetime_dialog_ok), this);//确认
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);//显示提示是去校
set24HourView(DateFormat.is24HourFormat(this.getContext()));//根据24小时制或者是12小时进行设置
updateTitle(mDate.getTimeInMillis());//更新题目
}
public void set24HourView(boolean is24HourView) {
mIs24HourView = is24HourView;
}
}//设置为24小时页面
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack;
@ -74,11 +74,11 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
private void updateTitle(long date) {
int flag =
DateUtils.FORMAT_SHOW_YEAR |
DateUtils.FORMAT_SHOW_YEAR |//显示年日时间
DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME;
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;//是否按照24小时制显示
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));//设置对应的题目
}
public void onClick(DialogInterface arg0, int arg1) {

10
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/DropdownMenu.java
Unescape View File

@ -32,16 +32,16 @@ public class DropdownMenu {
private PopupMenu mPopupMenu;
private Menu mMenu;
public DropdownMenu(Context context, Button button, int menuId) {
public DropdownMenu(Context context, Button button, int menuId) {//放下菜单
mButton = button;
mButton.setBackgroundResource(R.drawable.dropdown_icon);
mPopupMenu = new PopupMenu(context, mButton);
mButton.setBackgroundResource(R.drawable.dropdown_icon);//设置背景资源，改变对应的背景图片
mPopupMenu = new PopupMenu(context, mButton);//显示菜单
mMenu = mPopupMenu.getMenu();
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);//填充菜单
mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mPopupMenu.show();
}
}//显示对应的菜单
});
}

2
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java
Unescape View File

@ -30,7 +30,7 @@ import net.micode.notes.data.Notes.NoteColumns;
public class FoldersListAdapter extends CursorAdapter {
public static final String [] PROJECTION = {
public static final String [] PROJECTION = {//投影
NoteColumns.ID,
NoteColumns.SNIPPET
};

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